AU2004243834B2 - Self-balancing, no-spin magnet compass - Google Patents

Self-balancing, no-spin magnet compass Download PDF

Info

Publication number
AU2004243834B2
AU2004243834B2 AU2004243834A AU2004243834A AU2004243834B2 AU 2004243834 B2 AU2004243834 B2 AU 2004243834B2 AU 2004243834 A AU2004243834 A AU 2004243834A AU 2004243834 A AU2004243834 A AU 2004243834A AU 2004243834 B2 AU2004243834 B2 AU 2004243834B2
Authority
AU
Australia
Prior art keywords
assembly
pivot
center
card
compass
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU2004243834A
Other languages
English (en)
Other versions
AU2004243834A1 (en
Inventor
Scott K. Batchelder
Yu-Feng Wei
Bruce S. Wilkinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rule Industries LLC
Original Assignee
Rule Industries LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rule Industries LLC filed Critical Rule Industries LLC
Publication of AU2004243834A1 publication Critical patent/AU2004243834A1/en
Application granted granted Critical
Publication of AU2004243834B2 publication Critical patent/AU2004243834B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/18—Supporting or suspending compasses, e.g. by gimbal, by flotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Credit Cards Or The Like (AREA)
  • Supports Or Holders For Household Use (AREA)
AU2004243834A 2003-05-23 2004-05-21 Self-balancing, no-spin magnet compass Ceased AU2004243834B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US47274603P 2003-05-23 2003-05-23
US60/472,746 2003-05-23
US47637103P 2003-06-09 2003-06-09
US60/476,371 2003-06-09
PCT/US2004/015920 WO2004106855A2 (fr) 2003-05-23 2004-05-21 Boussole magnetique a auto-equilibrage exempte d'oscillations

Publications (2)

Publication Number Publication Date
AU2004243834A1 AU2004243834A1 (en) 2004-12-09
AU2004243834B2 true AU2004243834B2 (en) 2010-06-17

Family

ID=33493323

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2004243834A Ceased AU2004243834B2 (en) 2003-05-23 2004-05-21 Self-balancing, no-spin magnet compass

Country Status (4)

Country Link
US (1) US7194814B2 (fr)
EP (1) EP1636545A4 (fr)
AU (1) AU2004243834B2 (fr)
WO (1) WO2004106855A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070137055A1 (en) * 2005-12-16 2007-06-21 Jui-An Tsai Compass
US7291936B1 (en) * 2006-05-03 2007-11-06 Robson John H Submersible electrical power generating plant
WO2011143696A1 (fr) * 2010-05-17 2011-11-24 Paul Chapman Boussole magnétique améliorée
CN103781971B (zh) 2011-04-29 2016-05-04 哈尼施费格尔技术公司 控制工业机械的挖掘操作

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428346A (en) * 1947-03-11 1947-09-30 White Wilfrid Gordon Magnetic compass
US2644243A (en) * 1944-11-20 1953-07-07 Us Navy Control compass
US6105265A (en) * 1995-06-07 2000-08-22 Gloor; Hans Tilt-compensating indicator device for a compass

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1424804A (en) * 1917-07-23 1922-08-08 Sperry Gyroscope Co Ltd Jewel support for compasses
US2389664A (en) * 1943-08-20 1945-11-27 Howe Jr As Magnetic compass
US2552332A (en) * 1945-01-30 1951-05-08 American Machine & Metals Compass
US3023512A (en) * 1955-12-05 1962-03-06 Sperry Sun Well Surveying Co Anti-friction mountings
US3568329A (en) * 1968-10-28 1971-03-09 Us Navy Magnetic fluid compass
US3690014A (en) * 1970-03-18 1972-09-12 Aqua Meter Instr Corp Transparent grid for compass
US3805400A (en) * 1971-05-05 1974-04-23 Ketcham & Mcdougall Compass
US4089118A (en) * 1974-12-24 1978-05-16 Bernard Howard Course indicator
US4027398A (en) * 1975-06-17 1977-06-07 The Laitram Corporation Single pivot remote reading compass
DE7725945U1 (de) * 1977-08-20 1978-01-19 Fa. C. Plath, 2000 Hamburg Magnetkompass
US4141152A (en) * 1977-11-30 1979-02-27 White W Gordon Piloting instrument
US4357756A (en) * 1980-11-10 1982-11-09 Degaeta Albert M Magnetic compass
US4671120A (en) * 1983-04-25 1987-06-09 The Laitram Corporation Combined heading and depth sensor
SE438553B (sv) * 1983-09-09 1985-04-22 Instrument Verken Ab Anordning for att forhindra felvisning av en kompass
FI75931C (fi) * 1984-04-13 1988-08-08 Suunto Oy Vibrationsdaempare.
US4930224A (en) * 1987-06-08 1990-06-05 Rule Industries, Inc. Magnetic compass
WO1996041127A1 (fr) * 1995-06-07 1996-12-19 Recta S.A. Dispositif indicateur a compensation d'inclinaison d'une boussole
US6430825B1 (en) * 2000-04-24 2002-08-13 Johnson Outdoors Inc. Magnetic compass pointer with bearing support
US6665944B1 (en) 2002-09-05 2003-12-23 Rule Industries, Inc. Magnetic marine compass

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644243A (en) * 1944-11-20 1953-07-07 Us Navy Control compass
US2428346A (en) * 1947-03-11 1947-09-30 White Wilfrid Gordon Magnetic compass
US6105265A (en) * 1995-06-07 2000-08-22 Gloor; Hans Tilt-compensating indicator device for a compass

Also Published As

Publication number Publication date
US20050005464A1 (en) 2005-01-13
AU2004243834A1 (en) 2004-12-09
EP1636545A2 (fr) 2006-03-22
WO2004106855A3 (fr) 2005-08-04
EP1636545A4 (fr) 2007-10-24
WO2004106855A2 (fr) 2004-12-09
US7194814B2 (en) 2007-03-27

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired